fondle vs osculate

fondle

verb
  • To grasp. 

  • To touch or stroke lovingly. 

osculate

verb
  • To kiss. 

  • To form a connecting link between two genera. 

  • To make contact. 

  • To touch so as to have the same tangent and curvature at the point of contact. 

  • To perform osculation. 

adj
  • Relating to kissing. 

How often have the words fondle and osculate occurred in a corpus of books? (source: Google Ngram Viewer )